Absorption and scattering by interstellar dust in the silicon K-edge of GX 5-1

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Table 1

Samples.

No.	Name	Chemical	Structure
sample		formula

1	Olivine	Mg_1.56Fe_0.4Si_0.91O₄	crystal
2	Pyroxene	Mg_0.9Fe_0.1SiO₃	amorphous
3	Pyroxene	Mg_0.9Fe_0.1SiO₃	crystal
4	Enstatite	MgSiO₃	crystal^*
5	Pyroxene	Mg_0.6Fe_0.4SiO₃	amorphous
6	Hypersthene	Mg_1.502Fe_0.498Si₂O₆	crystal

Notes.

^(*)

Sample 4 contains a very small amount of iron, which is not significant in our analysis. The Fe:Mg ratio is 4 × 10^-2.

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